Search Results - "HEWITT, J. K"

Developmental epidemiology of drug use and abuse in adolescence and young adulthood: Evidence of generalized risk by Palmer, R.H.C, Young, S.E, Hopfer, C.J, Corley, R.P, Stallings, M.C, Crowley, T.J, Hewitt, J.K

“…Abstract Past studies highlight a narrowing gender gap and the existence of a shared etiology across substances of abuse; however, few have tested…”
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The heritability of general cognitive ability increases linearly from childhood to young adulthood by Haworth, C M A, Wright, M J, Luciano, M, Martin, N G, de Geus, E J C, van Beijsterveldt, C E M, Bartels, M, Posthuma, D, Boomsma, D I, Davis, O S P, Kovas, Y, Corley, R P, DeFries, J C, Hewitt, J K, Olson, R K, Rhea, S-A, Wadsworth, S J, Iacono, W G, McGue, M, Thompson, L A, Hart, S A, Petrill, S A, Lubinski, D, Plomin, R

“…Although common sense suggests that environmental influences increasingly account for individual differences in behavior as experiences accumulate during the…”
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Substance use, abuse and dependence in adolescence: prevalence, symptom profiles and correlates by Young, S.E, Corley, R.P, Stallings, M.C, Rhee, S.H, Crowley, T.J, Hewitt, J.K

“…We present data on the lifetime prevalence of substance use, abuse and dependence in adolescents obtained through structured psychiatric interviews and…”
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Combined Linkage and Association Sib-Pair Analysis for Quantitative Traits by Fulker, D.W., Cherny, S.S., Sham, P.C., Hewitt, J.K.

“…An extension to current maximum-likelihood variance-components procedures for mapping quantitative-trait loci in sib pairs that allows a simultaneous test of…”
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Power of Linkage versus Association Analysis of Quantitative Traits, by Use of Variance-Components Models, for Sibship Data by Sham, P.C., Cherny, S.S., Purcell, S., Hewitt, J.K.

“…Optimal design of quantitative-trait loci (QTL) mapping studies requires a precise understanding of the power of QTL linkage versus QTL association analysis,…”
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Genetic and environmental contributions to retrospectively reported DSM-IV childhood attention deficit hyperactivity disorder by Haberstick, B C, Timberlake, D, Hopfer, C J, Lessem, J M, Ehringer, M A, Hewitt, J K

“…A variety of methodologies and techniques converge on the notion that adults and children with attention deficit hyperactivity disorder (ADHD) have similar…”
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Nominal association with CHRNA4 variants and nicotine dependence by Kamens, H. M., Corley, R. P., McQueen, M. B., Stallings, M. C., Hopfer, C. J., Crowley, T. J., Brown, S. A., Hewitt, J. K., Ehringer, M. A.

“…Nicotine binds to nicotinic acetylcholine receptors and studies in animal models have shown that α4β2 receptors mediate many behavioral effects of nicotine…”
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Assortative mating for major psychiatric diagnoses in two population-based samples by Maes, H H, Neale, M C, Kendler, K S, Hewitt, J K, Silberg, J L, Foley, D L, Meyer, J M, Rutter, M, Simonoff, E, Pickles, A, Eaves, L J

“…Previous studies on assortment for psychiatric disorders have reported discrepant findings. We aimed to test whether there is a significant association for…”
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Genetics and Developmental Psychopathology: 2. The Main Effects of Genes and Environment on Behavioral Problems in the Virginia Twin Study of Adolescent Behavioral Development by Eaves, Lindon J., Silberg, Judy L., Meyer, Joanne M., Maes, Hermine H., Simonoff, Emily, Pickles, Andrew, Rutter, Michael, Reynolds, Chandra A., Heath, Andrew C., Truett, Kimberly R., Neale, Michael C., Erikson, Marilyn T., Loeber, Rolf, Hewitt, John K.

“…Little is known about the contribution of genetic and environmental factors to risk for juvenile psychopathology. The Virginia Twin Study of Adolescent…”
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Parent-offspring resemblance for reading performance at 7, 12 and 16 years of age in the Colorado Adoption Project by Wadsworth, S.J., Corley, R.P., Hewitt, J.K., Plomin, R., DeFries, J.C.

“…Background: The study aimed to conduct the first analysis of CAP parent–offspring resemblance for reading performance in children aged 7, 12 and 16 years, and…”
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Familial aggregation for conduct disorder symptomatology: the role of genes, marital discord and family adaptability by Meyer, J M, Rutter, M, Silberg, J L, Maes, H H, Simonoff, E, Shillady, L L, Pickles, A, Hewitt, J K, Eaves, L J

“…There is extensive evidence of statistical associations between family discord/ maladaptation and antisocial behaviour in the children, but questions remain on…”
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Familial association between allergic disorders and depression in adult Finnish twins by Wamboldt, Marianne Z., Hewitt, John K., Schmitz, Stephanie, Wamboldt, Frederick S., Räsänen, Maija, Koskenvuo, Markku, Romanov, Kalle, Varjonen, Jyrki, Kaprio, Jaakko

“…Clinical studies have shown a relationship between allergic disorders and depression, panic disorder, attention deficit/hyperactivity disorder, and social…”
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The Hematopoietic Stem and Progenitor Cell Cistrome: GATA Factor-Dependent cis-Regulatory Mechanisms by Hewitt, K J, Johnson, K D, Gao, X, Keles, S, Bresnick, E H

“…Transcriptional regulators mediate the genesis and function of the hematopoietic system by binding complex ensembles of cis-regulatory elements to establish…”
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Genetic and Environmental Structure of the Tridimensional Personality Questionnaire: Three or Four Temperament Dimensions? by Stallings, Michael C, Hewitt, John K, Cloninger, C. Robert, Heath, Andrew C, Eaves, Lindon J

“…Previous phenotypic factor analyses suggest that C. R. Cloninger's Tridimensional Personality Questionnaire (TPQ; 1987c) assesses 4 rather than 3 temperament…”
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Testing hypotheses about direction of causation using cross-sectional family data by HEATH, A. C, KESSLER, R. C, NEALE, M. C, HEWITT, J. K, EAVES, L. J, KENDLER, K. S

“…We review the conditions under which cross-sectional family data (e.g., data on twin pairs or adoptees and their adoptive and biological relatives) are…”
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Genetics and Developmental Psychopathology: 1. Phenotypic Assessment in the Virginia Twin Study of Adolescent Behavioral Development by Hewitt, John K., Rutter, Michael, Simonoff, Emily, Pickles, Andrew, Loeber, Rolf, Heath, Andrew C., Reynolds, Chandra A., Silberg, Judith L., Meyer, Joanne M., Maes, Hermine, Neale, Michael C., Erickson, Marilyn T., Kendler, Kenneth S., Truett, Kim R., Eaves, Lindon J.

“…We introduce an overlapping cohort sequential longitudinal study of behavioral development and psychopathology in a representative sample of 1412 pairs of…”
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Evidence for independent genetic influences on obesity in middle age by Fabsitz, R R, Carmelli, D, Hewitt, J K

“…The National Heart, Lung, and Blood Institute (NHLBI) Twin Study provided longitudinal data on a cohort of 514 pairs of adult male twin pairs who were examined…”
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Stability of genetic and environmental influences on reading performance at 7, 12, and 16 years of age in the Colorado Adoption Project by Wadsworth, S J, Corley, R P, Hewitt, J K, Defries, J C

“…The etiology of the longitudinal stability of reading performance was assessed by analyzing data from adoptive and nonadoptive sibling pairs (206 pairs at age…”
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A twin study of drinking and smoking onset and latencies from first use to regular use by Stallings, M C, Hewitt, J K, Beresford, T, Heath, A C, Eaves, L J

“…The early onset of alcohol and tobacco use has been associated with increased risk for later substance abuse and dependence problems. This study investigated…”
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Stability and Change of Genetic and Environmental Effects on the Common Liability to Alcohol, Tobacco, and Cannabis DSM-IV Dependence Symptoms by Palmer, R. H. C., Young, S. E., Corley, R. P., Hopfer, C. J., Stallings, M. C., Hewitt, J. K.

“…This study investigated the stability of genetic and environmental effects on the common liability to alcohol, tobacco, and cannabis dependence across…”
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